propagation constant
英
美
网络 传播常数; 传输常数; 引入传播常数; 传播常量
双语例句
- The transfer function method is applied to investigate on characteristic impedance and acoustic propagation constant of the regenerator in the acoustic-driven thermoacoustic apparatus.
针对本实验室一台声驱动热声系统，采用传递函数法研究声驱动系统中回热器的特征阻抗和传播常数。 - First, the relation between the dispersion of the fiber and the propagation constant and equivalent refractive index is presented.
文章先给出了光纤色散与光纤传播常数及等效折射率的关系。 - The propagation constant increases with decreasing slab thickness for the first-order oscillating mode, which is different from that in traditional metal-cladding waveguides.
一阶振荡导模的传播常数随着平板厚度的减小而增加，此性质与传统的金属包覆波导不同。 - Experimental Identifying on Characteristic Impedance and Propagation Constant of Thermoacoustic Regenerators at Without Temperature Gradient
无温度梯度条件下高频热声核的特征阻抗和传播常数实验辨识 - The mode characteristics of the photonic crystal fiber ( PCF) are investigated in detail using the orthogonal functions, including the propagation constant, mode-field distribution, effective power confinement factor.
应用光子晶体光纤（PCF）的本地正交基函数模型，对PCF的模式特征进行了详尽的数值研究，包括模式特性、传输常量、模场分布、模场面积、功率限制特性等。 - In this paper, perturbation method is introduced to discuss the variety of the propagation constant and the effective index in detail according to the change of the mode field of the FBG under strain, which gives a more accurate result of the strain sensitivity coefficients.
采用微扰法，从FBG受到应力产生应变以后模式场变化的角度，探讨了传输常数和有效折射率的变化，同时对FBG的应变灵敏度系数得出了更精确的结果。 - Determination of Propagation Constant from Phase Information of Standing Waves
利用驻波相位信息确定传播常数 - A novel variational analysis of planar line propagation constant
一种新的平面传输线传播常数的变分分析 - The relationship among the normalized cut-off frequency, normalized propagation constant, dispersion and power distribution of triangular-core doubly clad single-mode fibers and the inner cladding parameters has been studied in detail. And the universal curves for their general relations are given.
本文详细分析了双包层三角形单模光纤的归一化截止频率、归一化传输常数、色散以及功率分布等传输特性与内包层参数的变化关系，给出了它们之间的一般关系曲线。 - In photonic crystal fibre application, mode refractive index in different situations is analyzed using the finite-difference time-domain method and fitting functions among mode refractive index, structure parameter and propagation constant are obtained using analytical data.
以光子晶体光纤为例，用时域有限差分法分析在不同情况下的模式折射率，并利用分析所得数据，得到了模式折射率和结构参数、传播常数之间的拟合函数。 - A method to calculate the propagation parameters of optical fibers with arbitrary index profile is introduced. The propagation parameters of three different optical fibers, for example the normalized propagation constant, the chromatic dispersion and the mode field diameter, is calculated and analyzed.
介绍了具有任意折射率分布的光纤传输特性参量的计算方法，利用这种方法计算并分析了三种不同折射率分布的光纤的归一化传播常量、色散和模场直径等传输特性参量。 - Perturbation Solutions of Propagation Constant and Loss Coefficient of Polymeric Electro-Optic Waveguide
聚合物电光波导传播常数和损耗系数的微扰解 - Effects of central dip in refractive index on the normalized cut-off frequency, normalized propagation constant, dispersion and power distribution of W-type single-mode fibers have been studied in detail.
本文详细讨论了折射率中心凹陷对W型单模光纤的归一化截止频率、归一化传输常数、色散特性和功率分布的影响。 - In this paper, the propagation constant transcendental equation for dielectric loading twin toroidal phase shifter using grooved waveguide is given. With typical parameters, freguency characteristics of the differential phase shift and the insertion loss are computed.
本文给出介质加载双环背脊波导移相器的传输常数方程，计算了典型参数的相移，和损耗的频率特性。 - By using both the effective refraction index method and the WKB theory, the approximate mode equation of the dielectric waveguide with triangular cross-section is derived for the convenient and rapid calculation of the mode propagation constant or effective index.
本文应用有效折射率法和WKB法导出了三角形截面介质光波导的近似模方程，其特点是形式简单，计算方便。 - A novel stationary variational formula in spatial domain and in spectral domain respectively for calculation of planar line propagation constant is presented based on the exact theory of electromagnetic field.
基于严格的电磁场理论，给出了一种新的分析平面传输线传输特性的空域及谱域的稳定变分公式。 - Optical Characteristics are analyzed quantitatively for plate waveguides made on higher refractive index substrates, equations are obtained for mode propagation constant and power radiation loss etc., followed by a discussion with some concrete calculation examples.
本文对高折射率衬底上的平板波导的光学特性进行定量的分析，得到关于模式传播常数、功率辐射损耗等公式，并结合实例计算加以适当地讨论。 - The normalized propagation constant, which determines the number of the modes and mode cutoff is obtained for a PCF: with a certain structure parameters.
对于给定结构的PCF，计算得到了决定模式数量及模式截止的归一化传播常数。 - We also get the relation between normalized propagation constant and wavelength of the first forth modes by solving the character equation of one dimensional photonic crystal waveguide with the impedance method. The results are identical with the relevant papers.
利用阻抗分析方法研究一维光子晶体波导的特征方程后，我们得到了四个低阶波导模的归一化传播常数随波长的变化关系以及场的分布，和相关文献的结果吻合的非常好。 - Investigation of Regenerator on Characteristic Impedance and Propagation Constant in the Thermoacoustic Apparatus
热声系统中回热器特征阻抗与传播常数的研究 - Using the same finite difference mesh as that adopted in solving electrical equations, the optical equation is solved and the mode propagation constant for the optical equation is obtained with the general transverse resonance method combining with the variational principle.
利用与电方程求解中同样的差分网格，运用有限差分法对光波动方程进行求解，其中模式传播常数采用广义横向谐振法和变分原理结合的方法求取。 - Taking this method as an example, optical propagation constant and the loss characteristics for SiO_2 have been calculated actually. Some available results are obtained.
作为一个特例，用这种方法对SiO2全电极脊形波导光传输特性如光传播常数和损耗进行了计算，并得到一些有益的结论。 - Iterated Method for Calculation of Propagation Constant and Attenuation Coefficient of Four-Layer Planar Waveguide with a Buffer Layer
用迭代法求含缓冲层四层平板波导的传播常数与衰减系数 - Three different equations for determination of permittivity of dielectric materials had been derived using characteristic impedance and propagation constant and both of them, respectively.
利用特性阻抗ZC、传播常数γ以及同时利用二者分别得到了三个确定电介质材料复介电常数的公式，其解的离散程度反映出测量误差大小。 - This new LH waveguide is analyzed by means of circuit theory. The unit propagation constant, Bloch impendence, effective permittivity, effective permeability, effective index of refraction and other relevant parameters are obtained.
采用电路理论对提出的同轴异向波导进行了分析，得到了其单元传播常数、布洛克阻抗、等效介电常数、等效磁导率和等效折射率等相关参数的表达式。 - Reflection coefficient can be particularly difficult to understand the transmission theory of the three impedance matching conditions; standing wave ratio is the link to contact theory and experiment; and propagation constant velocity and dispersion is to discuss the key issues. 4.
反射系数可以得到传输理论中特别难以理解的三种阻抗匹配条件；驻波比是联系理论与实验的纽带；而传播常数是讨论波速和色散问题的关键。 - Finally, we extend the spherical wave least squares method to infinite and periodic linear chains of dielectric spheres and calculate the propagation constant of propagating mode along the chain.
最后，我们将这种球面波的最小二乘方法用到无穷个电介质球排成的周期链型结构中。这种方法被用来计算链型结构中的传播模的传播常数。 - It may be equivalent described as in terms of medium parameters ( electric/ magnetic dipole moment, permittivity, permeability), or in terms of transmission-line parameters ( impedance/ admittance, propagation constant, characteristic impedance).
它或可等效的应用介质参量（电/磁偶极距、介电常数、磁导率）来描述，或可等效的应用传输线参量（阻抗／导纳、传播常数、特征阻抗）来研究分析。 - Vortex solitons with various charges are stable in a region near the upper cutoffs of propagation constant.
不同拓扑指数的涡流孤子在靠近上截止传播常数的区域是稳定的。 - First, the propagation and mode field property of such fiber is calculated, including propagation constant, electric field distribution, bending loss, dispersion and non-linear properties.
首先我们从理论上系统计算了该种光纤的传播和模场特性，包括传播常数、电场分布、弯曲损耗、色散特性以及非线性特性。